US Patent 7978972 Optical line terminal and optical network terminal
Patent 7978972 was granted and assigned to Hitachi on July, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
July 6, 2007
0
Date of Patent
July 12, 2011
0
Patent Application Number
11822543
0
Patent Inventor Names
Taro Tonoduka
0
Masaki Ohira
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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